[Castor-users] [Castor-devel] Fwd: Re: TR: SPECT reading Interfile

[COMTAT Claude]

Remove the loop on the subsets, and try again:

 

 

         Do J=1,mtxsizJ

          Do I=1,mtxsizI

           Do K=1,AllAngles

 

           I1=I

           J1=J

           K1=(K-1)

        

           Write(1) ITime,Mat(i1,j1,k1),

     *     (K1-1),MtxsizI*(J1-1)+(I1-1)

     

           EndDo

          EndDo

         EndDo

 

 

 

De : Castor-devel [mailto:castor-devel-bounces at lists.castor-project.org] De la part de Carlier Thomas
Envoyé : mercredi 26 avril 2017 11:02
À : castor-devel at lists.castor-project.org
Objet : [Castor-devel] Fwd: Re: [Castor-users] TR: SPECT reading Interfile

 

Je regarde quand j'aurai le temps... Si certains veulent se lancer avant => pas de soucis !

 

Thomas



-------- Message transféré -------- 


Sujet : 

Re: [Castor-users] TR: SPECT reading Interfile


Date : 

Wed, 26 Apr 2017 08:59:17 +0000


De : 

Michael Ljungberg  <mailto:michael.ljungberg at med.lu.se> <michael.ljungberg at med.lu.se>


Pour : 

Carlier Thomas  <mailto:thomas.carlier at chu-nantes.fr> <thomas.carlier at chu-nantes.fr>






Note that I have written a conversion program from SPECT interfiles too castor format. According to our discussions I create the *.cdf file from the fortran loop

 

        Do M=1,Subsets        

         Do J=1,mtxsizJ

          Do I=1,mtxsizI

           Do K=1,IAngles

 

           I1=I

           J1=J

           K1=(K-1)*Subsets+M

        

           Write(1) ITime,Mat(i1,j1,k1),

     *     (K1-1),MtxsizI*(J1-1)+(I1-1)

     

           EndDo

          EndDo

         EndDo

        EndDo

 

I hope this is write. Here is a zip file with the projections and the reconstructed images (three iterations and data organised in 16 subsets)

 

https://www.dropbox.com/s/bjvtvs7sy17skmv/castor.zip?dl=0

 

 

Hälsningar / Best regards

Michael

 

From: Castor-users  <mailto:castor-users-bounces at lists.castor-project.org> <castor-users-bounces at lists.castor-project.org> on behalf of Carlier Thomas  <mailto:thomas.carlier at chu-nantes.fr> <thomas.carlier at chu-nantes.fr>
Date: Wednesday, 26 April 2017 at 10:26
To:  <mailto:castor-users at lists.castor-project.org> "castor-users at lists.castor-project.org"  <mailto:castor-users at lists.castor-project.org> <castor-users at lists.castor-project.org>
Subject: Re: [Castor-users] TR: SPECT reading Interfile

 

Dear Michael,

 

Would it be possible to send us your projections and your log file for this reconstruction?

We will investigate the problem with your data because we did not experience such artifacts.

Thanks

 

Thomas

 

Le 26/04/2017 à 07:57, Michael Ljungberg a écrit :

Hi Claude and others

 

I finally got it working for osem. Thank you for all help. I have noticed that when using a relatively low angles/subset there appear artefacts in the images that is constant in position though out the number of slices. The example is for 8 angles/subsets.  I will investigate effect this a little bit more. Is there any one that has seen this before?

 

Hälsningar / Best regards

Michael

 







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